The Minesweeper hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Happy Numbers in Java in chars. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st sean-niemann 🇺🇸 1,000 70 350ms 24 Sep 2025 1st JayXon 🇺🇸 1,000 70 714ms 24 Sep 2025 1st namelessiw 1,000 70 560ms 23 days ago 4th nwellnhof 🇩🇪 886 79 920ms 25 Sep 2025 4th stefangimmillaro 886 79 432ms 21 days ago 6th DialFrost 🇸🇬 795 88 370ms 24 Sep 2025 6th Yewzir 🇧🇪 795 88 583ms 25 days ago 8th Jacob385 787 89 531ms 5 hours ago 9th dokutan 769 91 585ms 24 Sep 2025 10th jared-hughes 745 94 359ms 24 Sep 2025 11th primo-ppcg 🇹🇭 654 107 670ms 24 Apr 2020 11th prplz 🇦🇺 654 107 641ms 7 Jul 2020 11th ScottHamper 654 107 684ms 29 May 2021 11th Lydxn 🇨🇦 654 107 704ms 12 Jul 2021 11th MeWhenI 🇻🇦 654 107 362ms 31 Dec 2021 11th Steffan153 🇫🇮 654 107 704ms 9 Aug 2024 17th Shanethegamer 🇺🇸 636 110 364ms 25 Sep 2025 18th kmathis22 619 113 387ms 13 days ago 19th h3ra993huskp 🇯🇵 603 116 616ms 20 Dec 2023 20th xkacer 🇨🇿 593 118 364ms 20 Nov 2020 20th CaedenHarper 🇨🇦 593 118 718ms 24 days ago 22nd Apataras 579 121 358ms 25 Jul 2025 23rd Babafaba 574 122 722ms 13 days ago 24th janbehrens 🇩🇪 560 125 333ms 20 Jun 2023 24th snoozingnewt 🇺🇸 560 125 515ms 24 Sep 2025 26th JunkIce 547 128 357ms 23 Feb 2025 26th Schmitt-Very-Cool 547 128 527ms 27 days ago 28th inventshah 479 146 539ms 17 Jun 2022 29th Irratix 🇳🇱 476 147 521ms 11 Dec 2021 30th neihousaigaai 461 152 501ms 8 May 2021 31st boxjelly 458 153 335ms 17 Feb 2021 32nd KatieLG 🇬🇧 455 154 606ms 24 Sep 2025 33rd Liibe 449 156 491ms 25 Sep 2025 34th Re-Adventures 🇮🇳 446 157 340ms 8 Mar 2021 35th cbrt-x 432 162 368ms 1 Sep 2021 36th ravnskjaer 🇩🇰 427 164 404ms 20 Dec 2024 37th Natanaelel 🇸🇪 424 165 333ms 31 Mar 2022 38th baumpilz 409 171 568ms 17 Dec 2020 39th KatieLG-Transpiler 🇬🇧 395 177 592ms 23 Jun 2022 40th xbxbxb007 393 178 345ms 11 Jan 2024 41st melikebuyruk 389 180 398ms 22 Mar 2021 41st yoshykai 389 180 806ms 15 Apr 2025 43rd msbranicky 374 187 365ms 9 Jan 2024 44th yashima 372 188 813ms 21 Oct 2024 45th bac0id 365 192 588ms 30 Jun 2024 46th benradclyffe 361 194 475ms 15 May 2023 47th sonisonjames 355 197 637ms 11 Dec 2022 48th mokymok 🇺🇸 350 200 329ms 9 Nov 2021 48th HumanoidCPU 350 200 310ms 13 May 2024 48th syspro86 350 200 373ms 31 Jul 2024 51st luca1339 338 207 357ms 9 May 2024 52nd jiaminglimjm 🇲🇾 337 208 505ms 4 Jul 2020 53rd retrohun 333 210 646ms 27 Dec 2022 53rd Mabeloid 🇳🇴 333 210 550ms 20 Sep 2024 55th jonah1068 327 214 551ms 15 Sep 2023 56th zt14427 326 215 472ms 2 May 2023 57th bwat2 293 239 511ms 10 Mar 2022 58th oeL87 251 279 698ms 29 Apr 2024 59th DaCuteRaccoon 217 322 658ms 30 Nov 2022 60th theunofficialcoder 216 324 324ms 21 Jan 2024 61st Grimmjow91 203 344 428ms 3 Jun 2020 62nd gianlab 190 369 362ms 30 Apr 2020 63rd arvindrajarajan08 157 447 644ms 28 Aug 2025 64th tejokumar 141 496 343ms 22 Jan 2022 65th oganaa 125 559 336ms 6 Feb 2023 66th PierceZ 86 818 698ms 29 Nov 2023 1–66 of 66
